from tkinter import *

x = int(input())
y = int(input())
n = int(input())
xmax = y + 20 * n
ymax = x + 20 * n
if 0 <= xmax <= 500 and 0 <= ymax <= 500:
    window = Tk()
    window.geometry('500x500')
    canvas = Canvas(bg = 'white',width = 500, height =500)
    canvas.pack(anchor=CENTER, expand=1)
    canvas.create_polygon(x,y,x+10*n,y,x+10*n,y+10*n, \
                          x+20*n,y+10*n,x+20*n,y+20*n, \
                          x+10*n,y+20*n,x+10*n,y+30*n, \
                          x,y+30*n,
                          fill='#80CBC4',outline='black')
    window.mainloop()
else:
    print('Размер фигуры превышает максимальный размер поля')

